Preheat grill pan or broiler. Combine fresh dill, mustard, lemon peel, juice, salt, pepper, and garlic in a bowl, stirring with a whisk. Add salmon fillets, tossing gently to coat. Thread salmon onto skewers in a back and forth motion. Place salmon on grill pan or broiler pan coated lightly with oil and grill 3 minutes on each side or until fish flakes easily when tested with a fork. serves 8 as an appetizer